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FR841632A - Dyes, their preparation process and their applications, in particular to photographic emulsions - Google Patents

Dyes, their preparation process and their applications, in particular to photographic emulsions

Info

Publication number
FR841632A
FR841632A FR841632DA FR841632A FR 841632 A FR841632 A FR 841632A FR 841632D A FR841632D A FR 841632DA FR 841632 A FR841632 A FR 841632A
Authority
FR
France
Prior art keywords
dyes
applications
preparation process
photographic emulsions
photographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US146425A external-priority patent/US2216441A/en
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR841632A publication Critical patent/FR841632A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR841632D 1937-06-04 1938-06-04 Dyes, their preparation process and their applications, in particular to photographic emulsions Expired FR841632A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US146425A US2216441A (en) 1937-06-04 1937-06-04 Photographic emulsion
US227853A US2186608A (en) 1937-06-04 1938-08-31 Methine dyes and a process for the preparation thereof

Publications (1)

Publication Number Publication Date
FR841632A true FR841632A (en) 1939-05-24

Family

ID=26843892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841632D Expired FR841632A (en) 1937-06-04 1938-06-04 Dyes, their preparation process and their applications, in particular to photographic emulsions

Country Status (2)

Country Link
US (1) US2186608A (en)
FR (1) FR841632A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425772A (en) * 1941-09-03 1947-08-19 Du Pont Polymeric cyanine dyestuffs
US2524674A (en) * 1943-05-15 1950-10-03 Du Pont Heterocyclic nitrogen compounds containing a furane nucleus and preparation thereof
BE475078A (en) * 1946-08-09
US2533472A (en) * 1947-01-17 1950-12-12 Eastman Kodak Co Unsymmetrical oxonol filter and antihalation dyes
BE551713A (en) * 1955-10-12
US2956881A (en) * 1957-03-12 1960-10-18 Eastman Kodak Co Hemioxonol dyes containing a carbocyclic nucleus and photographic emulsions containing them
US3536493A (en) * 1969-04-18 1970-10-27 Eastman Kodak Co Optically sensitized photographic silver halide emulsions
JP3973941B2 (en) 2002-03-25 2007-09-12 富士フイルム株式会社 Method for producing δ-aminopentadienoic acid ester derivative
JP4864623B2 (en) * 2006-09-27 2012-02-01 富士フイルム株式会社 Method for producing δ-aminopentadienoic acid ester derivative

Also Published As

Publication number Publication date
US2186608A (en) 1940-01-09

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